- Ambient adjusted output level
- Local sensor for noise detection
- 20 watts of audio output
- Transformer-isolated power supply, 48 volts DC internal voltage
- Transformer-isolation of power, and speaker lines
- Short circuit protection of power transistors
- Unitized design allows easy additions or changes to system
- No amplifier gain increase when page is not present, This reduces system feedback and loading problems
- Stainless steel construction, Type 304 brushed finish
- Conformal coating on printed circuit boards
- Plug-in front panel
- Magnetic off-hook switch
- Sealed off-hook and page relays
- Remote sensor available
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